:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e2e2e0;
  --accent: #2f6f4f;
  --danger: #b0413e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181a;
    --card: #202225;
    --text: #eaeaea;
    --muted: #9a9a9a;
    --border: #34363a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.screen {
  max-width: 560px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 0.5rem;
}

#login-screen {
  display: flex;
  align-items: center;
  min-height: 100vh;
}

#login-screen[hidden] {
  display: none;
}

#login-form {
  width: 100%;
  text-align: center;
}

#password-input {
  font-size: 1.2rem;
  text-align: center;
  padding: 0.6rem;
  width: 14rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  padding: 0.6rem 1rem;
  font-size: 1rem;
}

#login-form button {
  display: block;
  margin: 0.8rem auto 0;
}

.error { color: var(--danger); }

#task-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem;
  margin-bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#task-form input,
#task-form select,
#task-form textarea,
.edit-form input,
.edit-form select,
.edit-form textarea {
  font: inherit;
  padding: 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  width: 100%;
}

.row {
  display: flex;
  gap: 0.5rem;
}
.row > * { flex: 1; min-width: 0; }

textarea { resize: vertical; min-height: 2.5rem; }

#task-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.task {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
}

.task.done .t-title { text-decoration: line-through; color: var(--muted); }

.task-main {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  cursor: pointer;
}

.task-main input { width: 1.2rem; height: 1.2rem; }

.task-meta {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin: 0.4rem 0 0 1.8rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted);
}

.badge {
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.78rem;
  border: 1px solid var(--border);
}

.t-priority[data-priority="haute"] { background: #f8d7d5; color: #7a2320; border-color: #e9b3b0; }
.t-priority[data-priority="moyenne"] { background: #fdeecb; color: #7a5a10; border-color: #f0d99a; }
.t-priority[data-priority="basse"] { background: #dcecdf; color: #2c5a3a; border-color: #b9d9c1; }

.t-status {
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

.t-status[data-status="non_commence"] { background: var(--card); color: var(--muted); }
.t-status[data-status="en_cours"] { background: #dbe6f8; color: #1e3f6f; border-color: #b7cdf0; }
.t-status[data-status="en_attente_confirmation"] { background: #fdeecb; color: #7a5a10; border-color: #f0d99a; }
.t-status[data-status="a_rediscuter"] { background: #f8d7d5; color: #7a2320; border-color: #e9b3b0; }
.t-status[data-status="fait"] { background: #dcecdf; color: #2c5a3a; border-color: #b9d9c1; }
.t-status[data-status="abandonne"] { background: var(--card); color: var(--muted); text-decoration: line-through; }

.t-assignee[data-assignee="DD"] { background: #dbe6f8; color: #1e3f6f; border-color: #b7cdf0; }
.t-assignee[data-assignee="GUC"] { background: #e6dbf8; color: #4a2a7a; border-color: #cdb7f0; }
.t-assignee[data-assignee="none"] { color: var(--muted); }

.t-notes {
  margin: 0.4rem 0 0 1.8rem;
  font-size: 0.9rem;
  color: var(--muted);
  white-space: pre-wrap;
}

.task-actions {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
}

.task-actions button {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
}

.t-delete { color: var(--danger); }
.e-save { background: var(--accent); color: white; border: none; }

.edit-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}